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WebPageTest. The gold standard in web performance testing.
Lightning-Fast Web Performance
Online CourseLearn to analyze performance, fix issues, and deliver fast websites from the start.
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Introducing Carbon Control Experimental
New in WebPageTest! Measure your site's carbon footprint and run No-Code Experiments to find ways to improve.
Live Internet Outages Map (NEW)
Gain visibility into internet outages and pinpoint the root cause of poor web performance.
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All of the WebPageTest features you already love, plus API Access & No-Code Experiments!
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